Belgium B2B E-Invoicing Mandate 2026
Preparing for mandatory B2B e-invoicing via Peppol
Last verified: 20 December 2024(verification pending)
Source: Belgian Federal Public Service Finance
Belgium B2B Mandate 2026 — Key Facts
- Mandate Date
- January 1, 2026
- Required Network
- Peppol
- Required Format
- Peppol BIS Billing 3.0
- Affected Businesses
- All VAT-registered B2B
Overview
Belgium will require mandatory B2B e-invoicing for all domestic transactions between VAT-registered businesses from January 1, 2026. Unlike other EU countries, Belgium exclusively uses the Peppol network for e-invoice exchange.
Timeline
November 2022
B2G Mandatory
Now ActiveJanuary 1, 2026
B2B Mandatory
B2G e-invoicing has been mandatory since November 2022. The B2B mandate follows on January 1, 2026, giving businesses time to implement Peppol connectivity.
Requirements
All B2B invoices must be transmitted via Peppol using the Peppol BIS Billing 3.0 format. Businesses need a Peppol ID and must connect through a certified Peppol Access Point provider.
How to Comply
Register with a Peppol Access Point provider, obtain your Peppol ID, configure your accounting software for Peppol integration, and test invoice exchange before the deadline.
Frequently Asked Questions
Is Peppol the only option for B2B in Belgium?
Yes, Belgium has chosen Peppol as the exclusive network for B2B e-invoicing. Other formats like PDF or email invoices will not be compliant after January 2026.
How do I get a Peppol ID?
Your Peppol ID is typically based on your Belgian enterprise number (KBO/BCE). Register with a Peppol Access Point provider who will set up your Peppol participant identifier.
Check Your Specific Requirements
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